CVE-2026-72821
Grav Form Plugin before 9.1.15 Stored XSS via Radio Toggle
- State
- Published
- Severity
- 5.1 Medium
- Published
- Aug 14, 2026
- Updated
- Aug 18, 2026
- Reserved
- Aug 10, 2026
Description
Grav Form plugin versions before 9.1.15 contain a stored cross-site scripting vulnerability in radio and toggle field option labels rendered with the Twig |raw filter. Attackers with form authoring permissions can inject HTML and script payloads in option labels that execute in the browsers of visitors and administrators viewing the form.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
gravgetgrav |
|
References
- GitHub Security Advisory (GHSA-5xv4-g337-2pg7)vendor-advisory
- VulnCheck Advisory: Grav Form Plugin before 9.1.15 Stored XSS via Radio Togglethird-party-advisory
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